BMW, VW investigating how thermoelectrics may juice up future automobiles
When gasoline is burned in an automobile, only about a quarter of the potential energy is turned into forward motion. The rest is wasted as heat. Automakers are keen to capture back a portion of these losses, but there's still a long way to go before a TEG like this is practical. Regardless, it's a technology that has plenty of promise if it's adopted on a large scale.
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